diff --git a/docs/_templates/rtdmessage.html b/docs/_templates/rtdmessage.html
new file mode 100644
index 0000000..6287a02
--- /dev/null
+++ b/docs/_templates/rtdmessage.html
@@ -0,0 +1,3 @@
+<h3>New Documentation URL</h3>
+<div class="danger"><p style="margin-left: 1em"><b>Instaloader's Documentation has been moved to
+    <a class="reference external" href="https://instaloader.github.io/">https://instaloader.github.io</a>.</b></p></div>
\ No newline at end of file
diff --git a/docs/conf.py b/docs/conf.py
index 3995fb2..e22dd17 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -191,7 +191,10 @@ html_static_path = ['_static']
 
 # Custom sidebar templates, maps document names to template names.
 #
-html_sidebars = {'**': ["caption.html", "globaltoc.html", "relations.html", "links.html"] }
+if not os.environ.get("READTHEDOCS"):
+    html_sidebars = {'**': ["caption.html", "globaltoc.html", "relations.html", "links.html"] }
+else:
+    html_sidebars = {'**': ["caption.html", "rtdmessage.html", "globaltoc.html", "relations.html", "links.html"] }
 
 # Additional templates that should be rendered to pages, maps page names to
 # template names.